Concrete form and structure



Aug. 30, 1932. F. J. MEAD CONCRETE FORM AND= STRUCTURE Original FiledMay 26, 1926 INVENTOR .f ADRN Patented Aug. 30, 1932 UNITED STATES FREDJ. MEAD, OF EAST ORANGE, NEW JERSEY CONCRETE roam Ann srnnornnn Originalapplication filed May 2c, 1926, Serial No. 1 i,7'24. Divided and thisapplication filed A riie',

' 1929. Serial No. 352,958. i

This invention relates to concrete forms and structures, especiallyadapted for making walls and the like, which can be very readilyconstructed and which can be enlargedat will,

without destroying the parts already erected. I By this inventiongreenhouse beds, walls, fences, etc., of different sizes can he made ofconcrete, without requiring an inordinate amount of equipment. Thisapplication is a w division of my application Ser. No. 111,724,

filed May 26, 1926.

The forms that are used in making the different devices can be removedand reused for making others, or for enlarging those already made.

My invention will be understood from the description in connection withthe accompanying drawing in which Fig. 1 is a perspective view of agreenhouse bed made in accordance with this invention; Fig. 2 is ahorizontal section showing the forms in place;

Fig. 3 is a side elevation of the forms, partly broken away; and Fig. 4is a perspective view of the form. V

In the drawing reference character 1ndicates posts that may be made atany convenient location and set in place in the ground or in concrete atsuitable distances apart, or these posts 10 may be made in situ bypouring concrete into forms adapted forthat purpose.

The posts 10 are made with the inside and. outside faces thereof flatand parallel to each other, and the other faces are provided withlongitudinal grooves 11 that have converging sides and extend from thetop of the posts and terminate at the level of the ground when the postsare in place.

A plurality of rods 12 (Fig. 2) extend between the posts in verticalplanes, and their ends project into holes in the grooves 11 that areprovided therefor. Flat plates 13, most clearly shown in Fig. 4 areplaced beween the posts 10 and are spaced apart distances correspondingto the desired thickness of the clearly shown in Fig. 4 are placedbetween the posts. The plates 13 are provided along their upper edgeswith outwardly extending flanges 14. The lower inwardly extending flange16 of one of the plates 13 is made wide enough to extend a shortdistance beyond the outside of the other plate which is provided at itslower endwith a narrower outwardly extending flange 15, whose outer edgeis flush with the edge of the flange 16 when the plates 13 are spacedtheproper distance apart. In order to keep the plates 13properly spaced,the flanges 15 and 16 are provided with holes into which pins 24 may beinserted, thus preventing the plates from spreading at the bottomwhenthe concrete is poured in. Y

*U-shaped clamps '21 may be providedyfor pressing the plates 13 towardeach otherand holding same in position. The clamps 21 are provided withthumb screws 22 to enable the same to be tightened against the plates.If .5

desired, pressure plates 23 (Fig. 2) may be inserted between the lowerends of the'clamps -21'and the sides of the plates 13.

.Auxiliar-y plates 25 are provided to be placeda-gainst the inner andouter faces of the posts 10 to aid in keeping the plates 13 in place.-The plates 25 are provided with inwardly extending flanges 26 at theirupper ends, with inwardly extending flanges 27 along their sides andwith flanges 28 at right angles to the flanges 27, thus enabling theplates 25 to'be' placed upon the sides of the .post 10, with't-heflanges 26 resting on tops of the posts, and with the flanges 28extending longitudinally ofthe space between the posts, and with theflanges 14 of the plates 13 resting'upon theupper ends of theflanges 28,

While the plates 13 themselves are in contact with the sides of theflanges 28. Clamps 21 similar to the clamps 21, are provided forretaining the'plates 25 in place against the sides of the posts 10. Thedepth of the flanges 27 is preferably mad'e such that the plates 13 willbe flush'with the edges of the grooves 11, thus makingthe' thickness ofthe concrete slabs" between the posts 10 considerably less than thethickness of the posts themselves.

Instead of holding the plates 13 with clamps 21-to prevent them fromspreading,

as above describechthese plates may be provided with holes through whichwire, for ex ample, may be passed as shown at 29, the ends of the Wirebeing twisted together to exert tension thereon. The wires may beclipped m after the concrete has set, in order to remove the plates. Theuse of the wires to hold the plates in position is especially desirablewith wide plates that would require the employ- 5 ment of clamps withlong shanks to hold them.

I claim:

1. In a concrete form, a plate having flanges along its opposite edges,and a second plate having flanges, one of which extends under one ofsaid first named flanges and in contact therewith, the flanges of saidfirst named plate extending in the same direction and the flanges ofsaid second named plate extendingin opposite directions;

2. In. a concrete form, a plate having flanges along its opposite edges,and a second plate having flanges, one of which extends under one ofsaid first named flanges and in contact therewith, said second platehaving an outwardly extending flange at the upper portion thereof.

3. In a concrete form, a plate having flanges along its opposite edges,3. second 2 plate having a flange extending under one of said firstnamed flanges and in contact there with, the flanges of said first namedplate extending in the same direction and the flanges of said secondnamed plate extending 3 in opposite directions, and holding memberspassing through said plates to prevent them from spreading apart.

4. In a concrete form, a plate having flanges along its opposite edges,a second plate having a flange extending under one of said first namedflanges and in contact therewith, and means to prevent said flanges frommoving in a plane parallel to said flanges.

, 5. In a concrete form, a plate having 40 flanges along its oppositeedges, a second plate having a flange extending under one of said firstnamed flanges and in proximity thereto, and pins passing through saidlast named flange and one of said first named flanges to prevent themfrom moving sideways.

6. In a device of the character described, posts spaced apart, spacedplates between said posts, and plates extending along the sides of saidposts and having edges overlapping the ends of said first named plates.

7. In a device of the character described, posts spaced apart, spacedplates between said posts, and plates extending along the sides of saidposts and having edges overlapping the. ends of said first named plates,said second named plates having flanges extending along the edges ofsaid posts.

FRED J. MEAD.

CERTIFICATE OF CORRECTION.

Patent No. 1,874,330. August 30,. 1932.

FRED .l. MEAD.

It is hereby'certified that error appears in the printed specificationof the above numbered patent requiring correction as follows: Page 1,line 45, strike out the words "clearly shown in Fig. 4 are plaeed'l andinsert instead concrete slabs that are to be located; and that the saidLetters Patent should be read with this correction therein that the samemay conform to the record of the case in the Patent Office.

Signed and sealed this 1st day of November, A. D. 1932.

M. J. Moore, (Seal) Acting Commissioner of Patents.

